Chasis : 1U Rack CPU : 2 x Intel Xeon E5-2620, FCLGA2011 RAM : 2 x 16GB, Up to 768 GB RAM Slots : 24 DIMM sockets, DDR4 HDD Bays : - Internal Storage (max) : 12 x 2.5” HDD, Up to 92 TB On board network : NIC 4p Internal Raid Controllers : M5210 PCI Slots : PCIe 3.0 x16 or ML2; low profile, half-length (not present if the HDD Rear Kit is installed), PCIe 3.0 x16 or PCIe 3.0 x8; low profile or full-height, half-length (PCIe 3.0 x16 slot requires the second processor to be installed) (not present if the HDD Rear Kit is installed), PCIe 3.0 x16 or PCIe 3.0 x8; low profile, half-length, PCIe 3.0 x8 (dedicated for an internal storage controller) USB: rear 2x USB 3.0, front 1x USB 2.0 (standard), internal 1x USB 2.0 PSU: 2 x 750W